pub fn get_computed_style(
browser: &Browser,
elt: &Element,
pseudoElt: &dyn ToJs<JsNullable<JsString>>,
) -> CSSStyleDeclarationpub fn get_computed_style(
browser: &Browser,
elt: &Element,
pseudoElt: &dyn ToJs<JsNullable<JsString>>,
) -> CSSStyleDeclaration